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【简答题】
画出下列标注角度的用于车削外圆柱面的车刀图: 前角:15;后角:6;主偏角:75;副偏角:15;刃倾角:-5;副后角:6。
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皮皮学刷刷变学霸
举一反三
【简答题】听下面一段材料,回答第至2题. 1. What does the woman do? A. A teacher B. A student C. A doctor 2. What do we know about the man? A. He knew nothing about English before he went to New York. B. He attended a convers...
【单选题】漂滞适用于()。1顺浪中保向性差的船舶;2滞航中不能顶浪的船舶;3船体衰老的船舶;4稳性差的船舶;5水密性差的船舶。
A.
①②③④⑤
B.
①②③④
C.
②③④⑤
D.
①②③
【单选题】漂滞适用于()。1顺浪中保向性差的船;2滞航中不能顶浪的船;3船体衰老的船;4稳定性差的船舶;5水密性差的船。
A.
①②③④⑤
B.
①②③④
C.
①②③
D.
①②③⑤
【单选题】---Did you listen to the lecture given by the famous herbalist doctor Zhang Wuben? --- No, we ______ it. But we had a lot of traffic on our way.
A.
could have attended
B.
must have attended
C.
could attend
D.
shouldn't have attended
【单选题】Sam Walton attended the University of Missouri and graduated with a ______’s degree in economics.
A.
bachelor
B.
master
C.
doctor
D.
undergraduate
【单选题】漂滞适用于()。1顺浪中保向性差的船;2滞航中不能顶浪的船舶:3船体衰老的船;4稳定性差的船;5水密性差的船。
A.
①②③④⑤
B.
①②③④
C.
①②③
D.
①②③⑤
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